Northern Lights from Space, NASA

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Astronomers find supermassive black hole blasting molecular gas at 600,000 miles per hour from a galaxy - Hubble Space Telescope image of the central part of Seyfert galaxy IC 5063. The brighter part at the center shows the region where the jets driven by the supermassive black hole are blasting material out of the galaxy. - Credit: NASA/ESA and the Hubble Space Telescope archive

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Alan Friedmans Astonishing HD Photographs of the Sun Shot from his Own Backyard sun science astronomy

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Grand Canyon seen from space, USA.

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NASA's Messenger Satellite Captures Spectacular Color Mosaic of Mercury

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The remains of a river delta on Mars.

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Antarctica by sjrankin: Thanks to @sha chong Hwang #Antarctica

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Antartica/ NASA

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304 Angstrom emission

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Stellar indulgence

coffee and cigarettes

lisahewitt.tumblr.com

Informally known as the "Soap Bubble Nebula", this planetary nebula (officially known as PN G75.5+1.7) Image: T. A. Rector/University of Alaska Anchorage, H. Shweiker/WIYN and OAO/AURA/NSF

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The Aurora Borealis as seen from the International space station.

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mihai.evoiu.ro

Present positions of artificial satellites and related artificial debris, 2010

Saved by
Susan Kennedy

Galaxy

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Europe from space

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Patterns on Mars

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takeovertime.co

NASA's IMAGE Spacecraft View of Aurora Australis from Space [video] by NASA: From space, the aurora is a crown of light that circles each of Earth’s poles. The IMAGE satellite captured this view of the aurora australis (southern lights) on 9/11/05, four days after a record-setting solar flare sent plasma—an ionized gas of protons and electrons—flying towards the Earth. #Astronomy #Aurora_Australis

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our Milky Way

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Dunes in Noachis Terra Region of Mars

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Saturn's moon Enceladus in High Definition, approximate true color.

A Tectonic Feast

nasa.gov

Typhoon.

FFFFOUND! | THE WIRETAP

ffffound.com

The base of Mt. Sharp on Mars. Taken by Curiosity on August 23, 2012.

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A dune field on Mars in the north, less than 400 km from the north pole. During the Martian winter, carbon dioxide freezes out of the air. In the summer the CO2 turns directly from a solid to a gas disturbing the sand which falls down the slopes in little channels spreading out when it hits the bottom. This disturbs the red dust, which flows with the sand creating the feathery tendrils seen here

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Saturn’s moon Enceladus taken by the Cassini spacecraft in 2009 from a close flyby.

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Flowing Barchan Sand Dunes on Mars

APOD: 2012 April 22 - Flowing Barchan Sand Dunes on Mars

apod.nasa.gov